back up

English Dictionary -> Letter B -> back up

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back up Definition

• (v) give moral or psychological support, aid, or courage to; "She supported him during the illness"; "Her children always backed her up"
• (v) move backwards from a certain position; "The bully had to back down"
• (v) establish as valid or genuine; "Can you back up your claims?"
• (v) make a copy of (a computer file) especially for storage in another place as a security cop; "You''d better back up these files!"
• (v) become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"

back up Synonyms

• back
• back down
• back off
• back up
• choke
• choke off
• clog
• clog up
• congest
• foul
• support